class Taikhoan < ActiveRecord::Base
	has_many : chitietuploads
	has_many : tailieuriengs , :through=> : chitietuploads
	has_many : tailieus , :through=> : chitietuploads
	has_many :chitietdownloads
	has_many :tailieuriengs , through=>:chitietdownloads
	has_many : tailieus , :through=> : chitietdownloads
end
